qmk_firmware/quantum/action_tapping.h
2024-11-16 23:56:17 -08:00

133 lines
4.8 KiB
C

/*
Copyright 2013 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
/* period of tapping(ms) */
#ifndef TAPPING_TERM
# define TAPPING_TERM 200
#endif
/* period of quick tap(ms) */
#if !defined(QUICK_TAP_TERM) || QUICK_TAP_TERM > TAPPING_TERM
# define QUICK_TAP_TERM TAPPING_TERM
#endif
/* tap count needed for toggling a feature */
#ifndef TAPPING_TOGGLE
# define TAPPING_TOGGLE 5
#endif
#define WAITING_BUFFER_SIZE 8
#ifndef NO_ACTION_TAPPING
uint16_t get_record_keycode(keyrecord_t *record, bool update_layer_cache);
uint16_t get_event_keycode(keyevent_t event, bool update_layer_cache);
void action_tapping_process(keyrecord_t record);
#endif
uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record);
uint16_t get_quick_tap_term(uint16_t keycode, keyrecord_t *record);
bool get_permissive_hold(uint16_t keycode, keyrecord_t *record);
bool get_retro_tapping(uint16_t keycode, keyrecord_t *record);
bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record);
#ifdef CHORDAL_HOLD
/**
* Callback to say when a key chord before the tapping term may be held.
*
* In keymap.c, define the callback
*
* bool get_chordal_hold(uint16_t tap_hold_keycode,
* keyrecord_t* tap_hold_record,
* uint16_t other_keycode,
* keyrecord_t* other_record) {
* // Conditions...
* }
*
* This callback is called when:
*
* 1. `tap_hold_keycode` is pressed.
* 2. `other_keycode` is pressed while `tap_hold_keycode` is still held,
* provided `other_keycode` is *not* also a tap-hold key and it is pressed
* before the tapping term.
*
* If false is returned, this has the effect of immediately settling the
* tap-hold key as tapped. If true is returned, the tap-hold key is still
* unsettled, and may be settled as held depending on configuration and
* subsequent events.
*
* @param tap_hold_keycode Keycode of the tap-hold key.
* @param tap_hold_record Record from the tap-hold press event.
* @param other_keycode Keycode of the other key.
* @param other_record Record from the other key's press event.
* @return True if the tap-hold key may be considered held; false if tapped.
*/
bool get_chordal_hold(uint16_t tap_hold_keycode, keyrecord_t *tap_hold_record, uint16_t other_keycode, keyrecord_t *other_record);
/**
* Default "opposite hands rule" for whether a key chord may settle as held.
*
* This function returns true when the tap-hold key and other key are on
* "opposite hands." In detail, handedness of the two keys are compared. If
* handedness values differ, or if either handedness is '*', the function
* returns true, indicating that it may be held. Otherwise, it returns false,
* in which case the tap-hold key is immediately settled at tapped.
*
* @param tap_hold_record Record of the active tap-hold key press.
* @param other_record Record of the other, interrupting key press.
* @return True if the tap-hold key may be considered held; false if tapped.
*/
bool get_chordal_hold_default(keyrecord_t *tap_hold_record, keyrecord_t *other_record);
/**
* Gets the handedness of a key.
*
* This function returns:
* 'L' for keys pressed by the left hand,
* 'R' for keys on the right hand,
* '*' for keys exempt from the "opposite hands rule." This could be used
* perhaps on thumb keys or keys that might be pressed by either hand.
*
* @param key A key matrix position.
* @return Handedness value.
*/
char chordal_hold_handedness(keypos_t key);
# ifdef CHORDAL_HOLD_LAYOUT
extern const char chordal_hold_layout[MATRIX_ROWS][MATRIX_COLS] PROGMEM;
# endif
#endif
#ifdef DYNAMIC_TAPPING_TERM_ENABLE
extern uint16_t g_tapping_term;
#endif
#if defined(TAPPING_TERM_PER_KEY) && !defined(NO_ACTION_TAPPING)
# define GET_TAPPING_TERM(keycode, record) get_tapping_term(keycode, record)
#elif defined(DYNAMIC_TAPPING_TERM_ENABLE) && !defined(NO_ACTION_TAPPING)
# define GET_TAPPING_TERM(keycode, record) g_tapping_term
#else
# define GET_TAPPING_TERM(keycode, record) (TAPPING_TERM)
#endif
#ifdef QUICK_TAP_TERM_PER_KEY
# define GET_QUICK_TAP_TERM(keycode, record) get_quick_tap_term(keycode, record)
#else
# define GET_QUICK_TAP_TERM(keycode, record) (QUICK_TAP_TERM)
#endif